14. Calibration Procedure
14.1. Calibrating of refrigerant cylinder load cell:
Tare function - Calibrating the weight display to read 0.00 with an empty cylinder on the
platform and hoses connected to the cylinder.
(a) Place empty cylinder on Ariazone platform (12).
(b) Connect the hoses (16 & 17) to the cylinder.
(c) Switch ON the Ariazone unit while holding "UP" button until the unit display’s 'TArE'.
(d) Release 'UP' key.
(e) Wait for sound signal and press the 'START' button.
(f) Display should indicate 'DONE'.
Span function - Calibrating the electronic scale
(a) Place known weight of 20 kg (44lb) on top of empty cylinder. Make sure it is placed
centrally on the cylinder and platform.
(b) Switch ON the unit while holding 'DOWN' switch until the unit display’s 'SPAn'.
(c) Set the correct known weight by pressing the 'UP' or "DOWN" buttons. The display (2)
should indicate the known weight, 20kg (44lb).
(d) Press 'START' button to lock in correct weight.
The unit now is calibrated
14.2. Calibrating of the recovered oil vessel load cell
Tare function
(a) Place empty recovered oil vessel
(b) Switch ON Ariazone unit while holding "UP" button until the unit
display’s 'TAr 1'.
(c) Release 'UP' key.
(d) Press 'START' button after sound signal and display will indicate 'DONE'
Span function
(a) Place 150ml of oil into the recovered oil vessel
(b) Switch ON Ariazone unit while holding "DOWN" button until the unit
display’s 'SPn 1'.
(c) Set the correct weight 150ml by pressing the 'UP' or "DOWN" buttons. The display (2) should
indicate same weight of 0.150.
(d) Press 'START' button to lock in correct weight.
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